EP1312942A4 - Couches de diffusion de lumiere - Google Patents

Couches de diffusion de lumiere

Info

Publication number
EP1312942A4
EP1312942A4 EP01949984A EP01949984A EP1312942A4 EP 1312942 A4 EP1312942 A4 EP 1312942A4 EP 01949984 A EP01949984 A EP 01949984A EP 01949984 A EP01949984 A EP 01949984A EP 1312942 A4 EP1312942 A4 EP 1312942A4
Authority
EP
European Patent Office
Prior art keywords
light diffusing
diffusing films
films
light
diffusing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP01949984A
Other languages
German (de)
English (en)
Other versions
EP1312942A1 (fr
Inventor
Yasuhiro Hegi
Masashi Doi
K Kitamura
Shinya Okada
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Omron Corp
Original Assignee
Omron Corp
Omron Tateisi Electronics Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Omron Corp, Omron Tateisi Electronics Co filed Critical Omron Corp
Publication of EP1312942A1 publication Critical patent/EP1312942A1/fr
Publication of EP1312942A4 publication Critical patent/EP1312942A4/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0051—Diffusing sheet or layer
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
    • C08F290/02—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated end groups
    • C08F290/06—Polymers provided for in subclass C08G
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
    • G02B5/0221—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having an irregular structure
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
    • G02B5/0226—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures having particles on the surface
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0268—Diffusing elements; Afocal elements characterized by the fabrication or manufacturing method
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0273—Diffusing elements; Afocal elements characterized by the use
    • G02B5/0278—Diffusing elements; Afocal elements characterized by the use used in transmission
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0065—Manufacturing aspects; Material aspects
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
    • Y10T428/24372—Particulate matter
    • Y10T428/24405—Polymer or resin [e.g., natural or synthetic rubber, etc.]

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Coating Of Shaped Articles Made Of Macromolecular Substances (AREA)
EP01949984A 2000-07-18 2001-07-16 Couches de diffusion de lumiere Withdrawn EP1312942A4 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2000217556 2000-07-18
JP2000217556 2000-07-18
PCT/JP2001/006124 WO2002006859A1 (fr) 2000-07-18 2001-07-16 Couches de diffusion de lumiere

Publications (2)

Publication Number Publication Date
EP1312942A1 EP1312942A1 (fr) 2003-05-21
EP1312942A4 true EP1312942A4 (fr) 2006-10-25

Family

ID=18712644

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01949984A Withdrawn EP1312942A4 (fr) 2000-07-18 2001-07-16 Couches de diffusion de lumiere

Country Status (4)

Country Link
US (1) US7419715B2 (fr)
EP (1) EP1312942A4 (fr)
JP (1) JP3906802B2 (fr)
WO (1) WO2002006859A1 (fr)

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KR100994755B1 (ko) 2003-06-04 2010-11-17 니혼폴리에스테르가부시키가이샤 액정표시장치용 광확산판 및 액정표시장치의 광확산판용폴리카보네이트 수지 조성물
JP4541029B2 (ja) * 2004-05-20 2010-09-08 出光興産株式会社 遮光性高反射積層シート及びそれを用いてなる熱成形体及び筐体
WO2006030949A1 (fr) * 2004-09-16 2006-03-23 Fujifilm Corporation Procede de production d'un film de diffusion de la lumiere, plaque de polarisation comprenant un film de diffusion de la lumiere et ecran a cristaux liquides comprenant la plaque de polarisation
JP4771706B2 (ja) * 2005-01-26 2011-09-14 株式会社きもと 電飾看板用バックライト、およびそれを用いた電飾看板
US20070141284A1 (en) * 2005-12-19 2007-06-21 Saint-Gobain Performance Plastics Corporation Smooth bore flexible fluid conduit
JP2007249038A (ja) * 2006-03-17 2007-09-27 Toppan Printing Co Ltd 光学素子と、それを用いた偏光板および液晶表示装置
KR20100118855A (ko) * 2009-04-29 2010-11-08 삼성전자주식회사 광경화성 코팅 조성물
TWI414828B (zh) * 2009-12-18 2013-11-11 Eternal Chemical Co Ltd 擴散膜及其製造方法
TWI412551B (zh) * 2010-08-25 2013-10-21 Univ Nat Cheng Kung 具有光子晶體結構之高分子膜之製造方法
US20120296826A1 (en) 2011-05-18 2012-11-22 Bytemark, Inc. Method and system for distributing electronic tickets with visual display
US10089606B2 (en) 2011-02-11 2018-10-02 Bytemark, Inc. System and method for trusted mobile device payment
US10360567B2 (en) 2011-03-11 2019-07-23 Bytemark, Inc. Method and system for distributing electronic tickets with data integrity checking
US10453067B2 (en) 2011-03-11 2019-10-22 Bytemark, Inc. Short range wireless translation methods and systems for hands-free fare validation
US8494967B2 (en) 2011-03-11 2013-07-23 Bytemark, Inc. Method and system for distributing electronic tickets with visual display
US10762733B2 (en) 2013-09-26 2020-09-01 Bytemark, Inc. Method and system for electronic ticket validation using proximity detection
IN2014CN03895A (fr) * 2011-11-29 2015-10-16 Koninkl Philips Nv
CN104105730B (zh) * 2012-03-30 2016-08-24 Dic株式会社 固化涂膜的制造方法、光学膜、及薄膜成形体的制造方法
KR102554813B1 (ko) 2015-08-17 2023-07-11 바이트마크 아이엔씨. 핸즈 프리 요금 승인을 위한 근거리 무선 이행 방법들 및 시스템들
US11803784B2 (en) 2015-08-17 2023-10-31 Siemens Mobility, Inc. Sensor fusion for transit applications
US11513263B2 (en) 2019-05-15 2022-11-29 Samsung Electronics Co., Ltd. Light-diffuser, light diffusing adhesive, light diffusing hard coat member, light diffusion film, and image forming apparatus including light diffusion film
KR102407051B1 (ko) * 2021-01-12 2022-06-10 창원대학교 산학협력단 적외선 반사 방지 필름의 제조장치 및 제조방법

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4134811A (en) * 1975-05-12 1979-01-16 Ucb, Societe Anonyme Halogenated photopolymerizable compositions
US5275663A (en) * 1990-09-27 1994-01-04 Sam Yang Co., Ltd. Process for preparing hydrophilic polymer film and apparatus thereof

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JPS5724816B2 (fr) 1974-05-17 1982-05-26
JPS5633677A (en) 1979-08-28 1981-04-04 Seiko Instr & Electronics Liquid crystal display unit
JPS60175303A (ja) 1984-02-20 1985-09-09 東芝ライテック株式会社 照明器具用パネル
JPS614762A (ja) 1984-06-18 1986-01-10 Mitsubishi Rayon Co Ltd 光拡散性プラスチツク
JPS63291002A (ja) 1987-05-25 1988-11-28 Asahi Chem Ind Co Ltd 透過型スクリ−ン用光拡散板
JPH01172801A (ja) 1987-12-28 1989-07-07 Asahi Chem Ind Co Ltd 光透過性を有する光拡散板
JPH02173707A (ja) 1988-12-27 1990-07-05 Toppan Printing Co Ltd カラーフィルタの製造方法
JPH0378701A (ja) 1989-08-23 1991-04-03 Teijin Chem Ltd ポリカーボネート製液晶ディスプレイ・バックライト用光拡散シート
JP3190424B2 (ja) 1992-04-30 2001-07-23 日本写真印刷株式会社 光拡散シート
JPH06138308A (ja) 1992-10-28 1994-05-20 Taiho Ind Co Ltd 光拡散板
JP3545445B2 (ja) 1994-01-18 2004-07-21 大日本印刷株式会社 光拡散フィルム
JP3545447B2 (ja) 1994-02-04 2004-07-21 大日本印刷株式会社 光拡散フィルム
JPH09113708A (ja) 1995-10-19 1997-05-02 Dainippon Printing Co Ltd 光拡散フィルム
US6361925B1 (en) * 1996-03-04 2002-03-26 Ciba Specialty Chemicals Corporation Photoinitiator mixtures and compositions with alkylphenylbisacylphosphine oxides
AU2791997A (en) * 1996-05-23 1997-12-09 Omron Corporation Photosensitive composition and white coating
JPH1160966A (ja) 1997-08-08 1999-03-05 Kuraray Co Ltd 光拡散性樹脂組成物
JP4101339B2 (ja) 1997-09-25 2008-06-18 大日本印刷株式会社 光拡散フィルム、その製造方法、拡散層付偏光板及び液晶表示装置
JPH11145667A (ja) * 1997-11-07 1999-05-28 Omron Corp 電気機器
JPH11199798A (ja) * 1998-01-19 1999-07-27 Nikko Kagaku Kenkyusho:Kk 多相構造形成性コーティング剤、多相構造膜形成方法及び光路変更フィルム
JP3515401B2 (ja) * 1998-12-18 2004-04-05 大日本印刷株式会社 防眩フィルム、偏光板及び透過型表示装置
JP3515426B2 (ja) * 1999-05-28 2004-04-05 大日本印刷株式会社 防眩フィルムおよびその製造方法
JP2001051105A (ja) * 1999-08-05 2001-02-23 Nippon Kayaku Co Ltd 光散乱膜用樹脂溶液及び光散乱膜

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4134811A (en) * 1975-05-12 1979-01-16 Ucb, Societe Anonyme Halogenated photopolymerizable compositions
US5275663A (en) * 1990-09-27 1994-01-04 Sam Yang Co., Ltd. Process for preparing hydrophilic polymer film and apparatus thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO0206859A1 *

Also Published As

Publication number Publication date
EP1312942A1 (fr) 2003-05-21
US7419715B2 (en) 2008-09-02
WO2002006859A1 (fr) 2002-01-24
JP3906802B2 (ja) 2007-04-18
US20040030081A1 (en) 2004-02-12

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20030214

AK Designated contracting states

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

A4 Supplementary search report drawn up and despatched

Effective date: 20060922

RIC1 Information provided on ipc code assigned before grant

Ipc: C08J 7/18 20060101ALI20060918BHEP

Ipc: C08J 5/18 20060101ALI20060918BHEP

Ipc: G02B 5/02 20060101AFI20020129BHEP

Ipc: C08L 33/00 20060101ALI20060918BHEP

Ipc: C08F 290/06 20060101ALI20060918BHEP

17Q First examination report despatched

Effective date: 20070321

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20081001